Extra-virgin olive oil

Why it matters

Extra-virgin olive oil is one of the best-evidenced hormone-supporting foods on the entire list — and one of the easiest to use daily. Because testosterone is built from fat, the type of fat you eat matters, and olive oil's monounsaturated fat is a favourable raw material. Crucially, this isn't just theory: human studies have found that men consuming extra-virgin olive oil saw increases in testosterone, with one study showing it outperformed other oils. On top of that, olive oil's polyphenols (especially oleocanthal) are powerfully anti-inflammatory. Few single foods combine direct human hormone evidence with such broad, well-established health benefits.

What's inside

Monounsaturated fat (oleic acid) is the base — favourable raw material for testosterone production and absorption of fat-soluble vitamins. Polyphenols, especially oleocanthal, give extra-virgin olive oil a genuine anti-inflammatory effect (oleocanthal acts a little like a natural ibuprofen) that supports clean hormone signalling. Vitamin E and other antioxidants protect hormones and cells from oxidative breakdown. The "extra-virgin" grade matters — it retains these polyphenols that refined olive oil loses.

For men

For men, olive oil is a rare case of direct human evidence: studies link extra-virgin olive oil intake to higher testosterone, likely through both the healthy fat (raw material) and the antioxidant protection of the testosterone-producing cells. The anti-inflammatory polyphenols support the low-inflammation environment hormones prefer. Simple to use daily and genuinely well-evidenced — it's one of the strongest entries on the list.

For women

For women, olive oil's healthy fat supports the production of all steroid hormones, while its anti-inflammatory polyphenols support the lower-inflammation state that benefits hormonal balance, skin and heart health — central to the Mediterranean dietary pattern associated with healthy ageing. It's a foundational fat that supports female hormones gently and reliably across every life stage.

How to eat it

Use extra-virgin (not refined "light" or "pure") olive oil, and use it generously: drizzle it raw over salads, vegetables, soups and fish to preserve the delicate polyphenols, and use it for everyday moderate-heat cooking too (it's more heat-stable than its reputation suggests). Pairing it with vegetables also boosts your absorption of their fat-soluble nutrients. A few tablespoons a day is both realistic and beneficial.

Worth knowing

Quality matters: choose genuine extra-virgin olive oil (ideally in a dark bottle, with a harvest date), as cheaper "olive oil" is refined and stripped of the beneficial polyphenols, and adulteration is common. It's calorie-dense, like all fats, so use it deliberately rather than drowning food in it. Within those notes, it's about as close to an unambiguous win as the list offers.

Bottom line

Extra-virgin olive oil is one of the best-evidenced hormone foods here — human studies link it to higher testosterone, and its polyphenols are powerfully anti-inflammatory — making a daily drizzle one of the simplest, strongest choices you can make.